| # |
| # Copyright OpenEmbedded Contributors |
| # |
| # SPDX-License-Identifier: MIT |
| # |
| import os |
| import time |
| import tempfile |
| import shutil |
| import concurrent.futures |
| |
| from oeqa.selftest.case import OESelftestTestCase |
| from oeqa.utils.commands import bitbake, get_bb_var, runqemu, runCmd |
| |
| class GdbServerTest(OESelftestTestCase): |
| def test_gdb_server(self): |
| target_arch = self.td["TARGET_ARCH"] |
| target_sys = self.td["TARGET_SYS"] |
| deploy_dir = get_bb_var("DEPLOY_DIR_IMAGE") |
| |
| features = """ |
| IMAGE_GEN_DEBUGFS = "1" |
| IMAGE_FSTYPES_DEBUGFS = "tar.bz2" |
| CORE_IMAGE_EXTRA_INSTALL = "gdbserver" |
| """ |
| self.write_config(features) |
| |
| gdb_recipe = "gdb-cross-" + target_arch |
| gdb_binary = target_sys + "-gdb" |
| |
| bitbake("core-image-minimal %s:do_addto_recipe_sysroot" % gdb_recipe) |
| |
| native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", gdb_recipe) |
| r = runCmd("%s --version" % gdb_binary, native_sysroot=native_sysroot, target_sys=target_sys) |
| self.assertEqual(r.status, 0) |
| self.assertIn("GNU gdb", r.output) |
| |
| with tempfile.TemporaryDirectory(prefix="debugfs-") as debugfs: |
| filename = os.path.join(deploy_dir, "core-image-minimal-%s-dbg.tar.bz2" % self.td["MACHINE"]) |
| shutil.unpack_archive(filename, debugfs) |
| filename = os.path.join(deploy_dir, "core-image-minimal-%s.tar.bz2" % self.td["MACHINE"]) |
| shutil.unpack_archive(filename, debugfs) |
| |
| with runqemu("core-image-minimal", runqemuparams="nographic") as qemu: |
| status, output = qemu.run_serial("kmod --help") |
| self.assertIn("modprobe", output) |
| |
| with concurrent.futures.ThreadPoolExecutor(max_workers=1) as executor: |
| def run_gdb(): |
| for _ in range(5): |
| time.sleep(2) |
| cmd = "%s --batch -ex 'set sysroot %s' -ex \"target extended-remote %s:9999\" -ex \"info line kmod_help\"" % (gdb_binary, debugfs, qemu.ip) |
| self.logger.warning("starting gdb %s" % cmd) |
| r = runCmd(cmd, native_sysroot=native_sysroot, target_sys=target_sys) |
| self.assertEqual(0, r.status) |
| line_re = r"Line \d+ of \"/usr/src/debug/kmod/.*/tools/kmod.c\" starts at address 0x[0-9A-Fa-f]+ <kmod_help>" |
| self.assertRegex(r.output, line_re) |
| break |
| else: |
| self.fail("Timed out connecting to gdb") |
| future = executor.submit(run_gdb) |
| |
| status, output = qemu.run_serial("gdbserver --once :9999 kmod --help") |
| self.assertEqual(status, 1) |
| # The future either returns None, or raises an exception |
| future.result() |